Home / 11,972.44-17,958.63-3,207.12

Finding the Fourth Proportional to 11,972.44, 17,958.63 and 3,207.12

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Solution

The fourth proportional to 11,972.44, 17,958.63 and 3,207.12 is: 4,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.44 : 17,958.63 = 3,207.12 : x
  2. Step 2: Convert to fraction form
    11,972.44/17,958.63 = 3,207.12/x
  3. Step 3: Cross multiply
    11,972.44x = 17,958.63 × 3,207.12
  4. Step 4: Simplify right side
    11,972.44x = 57,595,481.45
  5. Step 5: Solve for x
    x = 57,595,481.45/11,972.44
  6. Step 6: Final answer
    x = 4,810.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.